Short answers, pulled from the story.
Production I.G was founded on the 15th of December 1987 by producer Mitsuhisa Ishikawa and character designer Takayuki Goto. The studio originally operated under the name I.G Tatsunoko before evolving into its current form.
Production I.G released Ghost in the Shell in 1995, which became a visual and philosophical masterpiece directed by Mamoru Oshii. The film climbed to the number one spot on the Billboard Top Video Sales Charts in the United States in 1996, marking the studio's transition to an international powerhouse.
Production I.G changed the animation business model by investing in original works and entering the copyright business to secure financial independence. The studio began negotiating directly with publishers like Kodansha and bypassed traditional production committees to ensure creators retained rights and profits.
The Wachowskis were influenced by Ghost in the Shell to create The Matrix, and Quentin Tarantino requested Production I.G's involvement in Kill Bill Vol. 1. These collaborations demonstrated the studio's ability to blend traditional animation with live-action and shape the global cinematic landscape.
Production I.G restructured into IG Port in 2007, a holding company that owns Production I.G and other animation studios like Wit Studio. The restructuring allowed the studio to diversify operations by merging with publisher Mag Garden and establishing electronic content distribution company Lingua Franca.